SDK85
8085 machine code programming
About
This app emulates the Intel SDK-85 System Design Kit, allowing users to program and execute 8085 machine code. It features a hexpad, seven-segment display, and a monitor program, with an optional TTY mode for more comfortable input.
What's New in SDK85
1.7.3
November 5, 2025
*** Fixed in 1.7.3 *** - Allow user program load at any address
MoreFAQ
What is SDK85?
SDK85 is an application that emulates the Intel SDK-85 System Design Kit. It allows users to enter and execute 8085 machine code, replicating the experience of the original hardware.
How do I use SDK85?
To use SDK85, you will need a copy of the original SDK-85 System Design Kit User's Manual. Some familiarity with the 8085 instruction set is also recommended for effective programming.
Does SDK85 have ads?
No, SDK85 does not contain advertisements. The developer has ensured the app is free and educational, adhering to Intel's licensing terms.
What devices does SDK85 support?
SDK85 is available for both iPhone and iPad devices, making it accessible to a wide range of Apple users interested in retro programming.
How often is SDK85 updated?
The latest version of SDK85 is 1.7.3, last updated on November 5, 2025. Updates typically address performance and feature enhancements for the emulator.
Why does SDK85 suspend execution?
SDK85 suspends execution after 15 seconds to prevent excessive battery drain, as the original monitor program keeps the CPU constantly busy. This is indicated by a slightly blurred display.
Can I resume program execution in SDK85?
Yes, you can resume the monitor or any other program execution by tapping the centered play-pause button. This allows you to continue where you left off without interruption.
What is the user rating for SDK85?
SDK85 has a user rating of 4.0 stars, based on one provided rating. This indicates a generally positive reception from its users.
